Marvin Tilliere: Secret To A Massive Chest

He is known as the FrenchMuscleMachine because he loves to go heavy when training. And 21 year old Marvin Tilliere succeeds: Five years of hard work in the gym have created a full and thick physique that's set off by a mighty chest. In this workout Marvin shows his chest training, explains why the gym changed his life and reveals the simple secret to a great chest.

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